Goepper posted 86.48 on his second run to take silver, as Sweden's Jesper Tjader finished in bronze with 85.35.

Britain's James Woods, fourth at the 2018 Games, pulled out of qualification on Tuesday with a back injury.

Hall, who failed to qualify for the final at his first Games in 2018, completed his gold medal-winning first run with an innovative double 1080 pretzel.

"It definitely was the best slopestyle run I've ever done, mainly because it embodied everything I love about skiing and how I approach skiing," said Hall.

"I'm really glad that the creativity was able to shine through and that got rewarded," he added. "I figured I would just give it my all and go all-in right away."